autofs.rc6 corrected version

autofs.rc6 (text/plain), 3.69 KB, created by Brad Cowan (RETIRED) on 2002-09-23 04:47:42 UTC

#!/sbin/runscript
# Copyright 1999-2002 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License, v2 or later
# $Header: /home/cvsroot/gentoo-x86/net-fs/autofs/files/autofs.rc6,v 1.5 2002/08/14 21:03:39 raker Exp $

# rc file for automount using a Sun-style "master map".
# We first look for a local /etc/auto.master, then a YP
# map with that name

depend() {
	need net
	use portmap ypbind
}

opts="start stop status stats reload restart"

#
# This function will build a list of automount commands to execute in
# order to activate all the mount points. It is used to figure out
# the difference of automount points in case of a reload
#
getmounts() {
#
# Check for local maps to be loaded
#
if [ -f /etc/autofs/auto.master ]
then
    cat /etc/autofs/auto.master | sed -e '/^ *[^# ]/!d'| (
	while read dir map options
	do
	    if [ ! -z "$dir" -a ! -z "$map" \
			-a x`echo "$map" | cut -c1` != 'x-' ]
	    then
		map=`echo "/etc/$map" | sed -e 's:^/etc//:/:'`
		timeout=`echo $options | sed --silent -e 's/\(.*\)\(--timeout=[0-9]\+\)\(.*\)/\2/g ; /--timeout=[0-9]\+/ p'`
		options=`echo $options | sed -e 's/\(.*\)\(--timeout=[0-9]\+\)\(.*\)/\1\3/g ; s/\(^\|[ \t]\)-/\1/g'`
		if [ -x $map ]; then
		    echo "/usr/sbin/automount $timeout $dir program $map $options $localoptions"
		elif [ -f $map ]; then
		    echo "/usr/sbin/automount $timeout $dir file $map $options $localoptions"
		else
		    echo "/usr/sbin/automount $timeout $dir `basename $map` $options $localoptions"
		fi
	    fi
	done
    )
fi

#
# Check for YellowPage maps to be loaded
#
if [ -e /usr/bin/ypcat ] && [ `ypcat -k auto.master 2>/dev/null | wc -l` -gt 0 ]
then
    ypcat -k auto.master | (
	while read dir map options
	do
	    if [ ! -z "$dir" -a ! -z "$map" \
			-a x`echo "$map" | cut -c1` != 'x-' ]
	    then
		map=`echo "$map" | sed -e 's/^auto_/auto./'`
		if echo $options | grep -- '-t' >/dev/null 2>&1 ; then
		    mountoptions="--timeout $(echo $options | \
		      sed 's/^.*-t\(imeout\)*[ \t]*\([0-9][0-9]*\).*$/\2/g')"
		fi
                options=`echo "$options" | sed -e '
                  s/--*t\(imeout\)*[ \t]*[0-9][0-9]*//g
                  s/\(^\|[ \t]\)-/\1/g'`
		echo "/usr/sbin/automount $mountoptions $dir yp $map $options $localoptions"
	    fi
	done
    )
fi
}

start() {
	ebegin "Starting automounter"
	getmounts | while read cmd timeout mnt rest
	do
		#FIXME: this works but it really sucks
		if echo $timeout|grep -v -- '--timeout' >/dev/null ; then
			rest="$mnt $rest"
			mnt="$timeout"
			timeout=""
		fi

		echo -n " $mnt"
		pidfile=/var/run/autofs`echo $mnt | sed 's/\//./g'`.pid
		start-stop-daemon --start --pidfile $pidfile --quiet \
			--exec /usr/sbin/automount -- $timeout $mnt $rest
		#
		#	Automount needs a '--pidfile' or '-p' option.
		#	For now we look for the pid ourself.
		#
		ps ax | grep "[0-9]:[0-9][0-9] /usr/sbin/automount $timeout \?$mnt" | (
			read pid rest
			echo $pid > $pidfile
			echo "$mnt $rest" >> $pidfile
		)
	done
	eend $?
}

stop() {
	ebegin "Stopping automounter"
	start-stop-daemon --stop --quiet --signal 12 --exec /usr/sbin/automount
	eend $?
}

stats() {
	echo "Configured Mount Points:"
	echo "------------------------"
	getmounts
	echo ""
	echo "Active Mount Points:"
	echo "--------------------"
	ps awx | grep automount  | (
		while read pid tt stat time command; do echo $command; done
	)
}

reload() {
	echo "Reloading automounter: checking for changes ... "
	TMP=/var/run/autofs.tmp
	getmounts >$TMP
	for i in /var/run/autofs.*.pid
	do
		pid=`head -n 1 $i 2>/dev/null`
		[ "$pid" = "" ] && continue
		command=`tail +2 $i`
		if ! grep -q "^$command" $TMP
		then
			echo "Stopping automounter: $command"
			kill -USR1 $pid
		fi
	done
	rm -f $TMP
	start
}

restart() {
	
	stop
	start
}